# GREYLOCK CAPITAL MANAGEMENT, LLC

GREYLOCK CAPITAL MANAGEMENT, LLC of STAMFORD, CT is an SEC-registered investment adviser.

## Registration

- CRD: 137825
- Type: SEC-registered investment adviser
- SEC file number: 801-65137
- Location: 600 SUMMER STREET, STAMFORD, CT, 06901-1486
- Phone: 1-212-808-1800
- Latest filing: 2026-03-30
- Regulatory AUM: $313.9M
- Discretionary AUM: $313.7M
- Non-discretionary AUM: $205K
- Clients: 6
- Accounts: 5

## Business model

- Compensation: % of AUM, Performance
- Clients served: Pooled vehicles, Investment cos

## Officers, owners & control persons (24)

| Name | Role | Location |
| --- | --- | --- |
| [Saleemah Hassanali Ahamed](https://search.stillhousedata.com/person/676569) | CHIEF COMPLIANCE OFFICER | — |
| [Willem Johannes Humes](https://search.stillhousedata.com/person/716150) | CHAIRMAN AND CHIEF EXECUTIVE OFFICER; MANAGING MEMBER | — |
| [Ajata Nmn Mediratta](https://search.stillhousedata.com/person/716151) | MANAGING MEMBER; PRESIDENT | — |
| [REEVES MICHAEL SPENCER](https://search.stillhousedata.com/person/751070) | MANAGING DIRECTOR  - HEAD OF MARKETING, INVESTOR RELATIONS & BUSINESS DEVELOPMENT | — |
| [STILER PETER GEORGE](https://search.stillhousedata.com/person/752936) | EXECUTIVE VICE PRESIDENT; MEMBER; MEMEBER | — |
| [HUMES WILLEM JOHANNES](https://search.stillhousedata.com/person/752937) | CHAIRMAN AND CHIEF EXECUTIVE OFFICER; CHAIRMAN CHIEF EXECUTIVE OFFICE AND CO-PRESIDENT; CHAIRMAN, CHIEF EXECUTIVE OFFICE AND CO-PRESIDENT (+4 more) | — |
| [VANECK SIGRID SABOTTGE](https://search.stillhousedata.com/person/752938) | OWNER | — |
| [VANECK DEREK STEVEN](https://search.stillhousedata.com/person/752939) | OWNER | — |
| [VANECK JAN FREDERICK](https://search.stillhousedata.com/person/752940) | OWNER | — |
| [ELWOOD THOMAS HENRY](https://search.stillhousedata.com/person/752941) | CHIEF COMPLIANCE OFFICER/CHIEF LEGAL OFFICER; CHIEF LEGAL OFFICER | — |
| [HART BRUCE G](https://search.stillhousedata.com/person/752942) | DIRECTOR OF LEGAL AFFAIRS | — |
| [MEDIRATTA AJATA](https://search.stillhousedata.com/person/773414) | CO-PRESIDENT; EXECUTIVE VICE PRESIDENT; MEMBER (+3 more) | — |
| [FERRO DIEGO EDUARDO](https://search.stillhousedata.com/person/773415) | CO-CHIEF INVESTMENT OFFICER; PORTFOLIO MANAGER; SENIOR PORTFOLIO MANAGER | — |
| [MAGUIRE JOHN COLIN](https://search.stillhousedata.com/person/773450) | CHIEF OPERATING OFFICER | — |
| [MALCOLMSON PAUL MICHAEL](https://search.stillhousedata.com/person/799901) | CFO | — |
| [ALBANDAVIES JAMES DAVID](https://search.stillhousedata.com/person/806622) | CHIEF OPERATING OFFICER | — |
| [MORENO JUAN PEDRO](https://search.stillhousedata.com/person/813192) | DIRECTOR OF RESEARCH; MANAGING DIRECTOR; MANAGING DIRECTOR, HEAD OF RESEARCH | — |
| [CRELINSTEN JASON CHARLES](https://search.stillhousedata.com/person/818502) | CHIEF COMPLIANCE OFFICER AND DEPUTY GENERAL COUNSEL; COUNSEL AND CHIEF COMPLIANCE OFFICER; GENERAL COUNSEL AND CHIEF COMPLIANCE OFFICER | — |
| [AHAMED SALEEMAH HASSANALI](https://search.stillhousedata.com/person/841338) | CHIEF COMPLIANCE OFFICER | — |
| [MEDIRATTA AJATA NMN](https://search.stillhousedata.com/person/846112) | MANAGING MEMBER; PRESIDENT | — |
| [STELTZER DAVID NMN](https://search.stillhousedata.com/person/846113) | CHIEF FINANCIAL OFFICER | — |
| [GALLOWAY PETER P](https://search.stillhousedata.com/person/847303) | CHIEF COMPLIANCE OFFICER | — |
| [PRIN JONATHAN P](https://search.stillhousedata.com/person/854295) | PORTFOLIO MANAGER AND HEAD OF RESEARCH | — |
| [John Nmn Berton](https://search.stillhousedata.com/person/1007359) | GENERAL COUNSEL | — |


## Related pages

- Form ADV Part 2 brochure: https://search.stillhousedata.com/firm/137825/brochure
- Similar advisers: https://search.stillhousedata.com/firm/137825/similar
- Related entities: https://search.stillhousedata.com/firm/137825/related
- SEC IAPD (source of record): https://adviserinfo.sec.gov/firm/summary/137825

---

Source: public SEC Form ADV data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.